What is the new value SAFE of the STATISTICS parameter at IMPORT ? The =
4 possible values for this parameter are : -> ALWAYS : =
Always imports database optimizer statistics regardless of wether or not =
they are questionable. =20
-> NONE : Does not import or recalculate the database optimizer =
statistics. =20
-> SAFE : Imports database optimizer statistics back only if they =
are not questionable. If they are questionable, recalculates the =
optimizer statistics. =20
-> RECALCULATE : Does not import the database optimizer statistics. =
Instead, recalculates them on import. =20

Never heard of expdp or impdp; they're not in the $ORACLE_HOME/bin =
directory.